<template>
  <view class="goods-item">
    <!-- 左侧盒子 -->
    <view class="goods-item-left">
      <radio :checked="goods.goods_state" color="#c00000" v-if="showRadio" @click="radioClickHandler"></radio>
      <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
    </view>
    <!-- 右侧盒子 -->
    <view class="goods-item-right">
      <!-- 商品名字 -->
      <view class="goods-name">{{goods.goods_name}}</view>
      <view class="goods-info-box">
        <view class="goods-price">￥{{goods.goods_price | toFixed}}</view>
        <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" @change="numChangeHandler"></uni-number-box>
      </view>
    </view>
  </view>
</template>
<script>
  export default{
    data(){
      return {
        // 默认图片
        defaultPic:'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
      }
    },
    props:{
      goods:{
        type:Object,
        default:{}
      },
      showRadio:{
        type:Boolean,
        // 默认情况下不会展示radio组件
        default:false
      },
      showNum:{
        type:Boolean,
        default:false
      }
    },
    filters:{
      toFixed(num){
        return Number(num).toFixed(2)
      }
    },
    methods:{
      // radio组件的点击事件处理函数
      radioClickHandler(){
        this.$emit('radio-change',{
          goods_id:this.goods.goods_id,
          goods_state:!this.goods.goods_state
        })
      },
      // 监听到了NumberBox组件数量变化的事件
      numChangeHandler(val){
        // console.log(val)
        this.$emit('num-change',{
          goods_id:this.goods.goods_id,
          // goods_count:val-0
          goods_count:+val
        })
      }
    }
  }
</script>
<style lang="scss">

    .goods-item{
      width:750rpx;
      box-sizing: border-box;
      display: flex;
      padding:10px 5px;
      border-bottom:1px solid #f0f0f0;
      .goods-item-left{
        margin-right:5px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        .goods-pic{
          width:100px;
          height:100px;
          display:block;
        }
      }
      .goods-item-right{
        flex:1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        .goods-name{
          font-size: 13px;
        }
        .goods-info-box{
          display: flex;
          justify-content: space-between;
          align-items: center;
          .goods-price{
            color:#c00000;
            font-size: 16px;
          }
        }
      }
    }
  
</style>
